Seat Lumbar Sub System Replacement

Seat Lumbar Sub System Replacement

Removal Procedure

Warning:
Refer to Battery Disconnect Warning Battery Disconnect Warning.


1. Disconnect the battery ground cable from the battery. Refer to Battery Negative Cable Disconnection and Connection (Primary) Battery Negative Cable Disconnection and Connection (Primary)Battery Negative Cable Disconnection and Connection (Auxiliary) Battery Negative Cable Disconnection and Connection (Auxiliary).

Warning:
Refer to SIR Warning SIR Warning.


2. Disable the SIR system. Refer to SIR Disabling and Enabling Service and Repair.

3. Remove the front seat. Refer to Front Seat Replacement - Bucket Front Seat Replacement - Bucket.

4. Remove the front seat-back. Refer to Front Seat Back Replacement Front Seat Back Replacement.

5. Remove the front seat cover and pad. Refer to Driver or Passenger Seat Back Cushion Cover and Pad Replacement Driver or Passenger Seat Back Cushion Cover and Pad Replacement.

6. Remove the front head restraints. Refer to Driver or Passenger Seat Head Restraint Replacement (Without UWF) Driver or Passenger Seat Head Restraint Replacement (Without UWF).

7. Remove the front head restraints guides. Refer to Driver or Passenger Seat Head Restraint Guide Replacement Driver or Passenger Seat Head Restraint Guide Replacement.





8. Remove the retainer (2) two places, attaching the lumbar support assembly (1) to the seat-back frame.





9. Depress the retaining tab (2) and from the inner side of the seat-back frame, rotate the lumbar support shaft (1) and withdraw from the seat-back frame.

10. Repeat this procedure for the opposite side.





11. Disconnect the spring (1), two places, attaching the lumbar support assembly (2) to the head restraint frame.





12. Disconnect the electrical connectors (1) attached to seat back harness for power & memory.

13. Remove the lumbar support assembly.

Installation Procedure

1. Install the lumbar support assembly to the seat-back frame.





2. Connect the electrical connectors (1) attached to seat back harness for power & memory.





3. Connect the spring (1) two places, attaching the lumbar support assembly (2) to the head restraint frame.





4. Insert the lumbar support shaft (1) to the seat-back frame and rotate anti-clockwise until it locks in front of the retaining tab (2).





5. Install the lumbar support assembly (1) to seat-back frame retainers (2).

6. Install the front seat cover and pad. Refer to Driver or Passenger Seat Back Cushion Cover and Pad Replacement Driver or Passenger Seat Back Cushion Cover and Pad Replacement.

7. Install the front head restraints guides. Refer to Driver or Passenger Seat Head Restraint Guide Replacement Driver or Passenger Seat Head Restraint Guide Replacement.

8. Install the front head restraints. Refer to Driver or Passenger Seat Head Restraint Replacement (Without UWF) Driver or Passenger Seat Head Restraint Replacement (Without UWF).

9. Install the front seat. Refer to Front Seat Replacement - Bucket Front Seat Replacement - Bucket.

Warning:
Refer to SIR Warning SIR Warning.


10. Enable the SIR system. Refer to SIR Disabling and Enabling Service and Repair.

11. Connect the battery ground cable to the battery. Refer to Battery Negative Cable Disconnection and Connection (Primary) Battery Negative Cable Disconnection and Connection (Primary)Battery Negative Cable Disconnection and Connection (Auxiliary) Battery Negative Cable Disconnection and Connection (Auxiliary).

12. Test the seat for correct mechanical and electrical operation.